The Seeed Studio XIAO nRF54L15 combines modern wireless connectivity, secure hardware design, and ultra-low power performance in a thumb-sized board. With support for major IoT ecosystems, integrated battery charging, and production-ready stamp hole design, it is ideal for next-generation IoT, automation, and wearable projects. Developers can easily build and scale using the Nordic nRF Connect SDK and Zephyr RTOS with PlatformIO. Features: Built on Nordic nRF54L15 ultra-low-power SoC 128 MHz Arm Cortex-M33 core + RISC-V security coprocessor Multi-protocol support: BLE 6.0, Matter, Thread, Zigbee, Amazon Sidewalk Ultra-low power consumption (~0.6 µA in System OFF mode) PCBA-ready SMD design with stamp hole integration Integrated USB Type-C and Li-ion battery charging support Full SDK support with nRF Connect and Zephyr (PlatformIO) Applications: Wearable Devices: Create intelligent wearables for all-day use, from fitness trackers that perform complex sensor fusion to secure smart rings that support gesture control and NFC payments. Smart Home & IoT Hubs: Build a secure Matter-Thread border router or a central hub that bridges multiple wireless protocols, with the capability to handle voice commands via wake-word detection. Industrial IoT (IIoT) Sensors: Develop intelligent industrial sensors that perform on-device TinyML for predictive maintenance, while ensuring data integrity and device security with hardware-level protection. Advanced Prototyping: Function as a versatile developer tool for debugging multi-protocol networks or rapidly creating proof-of-concept designs for secure, low-power wireless products. Package Includes: 1 x Seeed Studio XIAO nRF54L15 1 x 7-Pin Header (2.54mm)
Specifications
| Processor | 128 MHz Arm Cortex-M33 + RISC-V Coprocessor |
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| Memory | 1.5 MB NVM, 256 KB RAM |
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| Wireless | BLE 6.0, Thread, Zigbee, Matter, Amazon Sidewalk |
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| Power Efficiency | 0.6 µA in System OFF mode |
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| Form Factor | 21 × 17.8 mm, PCBA-ready SMD design |
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| RAM: | 256 kB |
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| ROM Capacity: | 1.5 MB NVM |
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| Processor Type: | Arm Cortex-M33 128 MHz + RISC-V Security Coprocessor |
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| Storage Capacity | 1.5 MB Non-volatile Memory (NVM) |
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| Wireless Connectivity | BLE 6.0, Thread, Zigbee, Matter, Amazon Sidewalk, proprietary 2.4 GHz |
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| Power Input | 5V via USB-C, 3.7V Li-ion battery charging supported |
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| Length (mm): | 21 |
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| Width (mm): | 17.8 |
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| Weight (g): | 03 |
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| Shipping Weight | 0.009 kg |
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| Shipping Dimensions | 4 × 4 × 3 cm |
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